# Percentage calculator

### Índice

- What are percent formulas?
- How do you calculate the percentage of a part?
- How do I use the percentile calculator?
- How to find x if p percent of it is y?
- How do you solve a percent?
- How to find x if p percent of it is y?
- How do you find the percentage of X and Y?
- What is p percent of X?
- P percent of what is Y? 1 Written as an equation: P% × X = Y 2 The what is X that we want to solve for 3 Divide both sides by P% to get X on one side of the equation 4 (P% × X) ÷ P% = Y ÷ P% becomes X = Y ÷ P% 5 Solution: Solve for X using the percentage formula X = Y ÷ P%

### What are percent formulas?

Use percent formulas to figure out percentages and unknowns in equations. Add or subtract a percentage from a number or solve the equations. There are many formulas for percentage problems. You can think of the most basic as X/Y = P x 100.

### How do you calculate the percentage of a part?

Depending on what you want to estimate, you can write three various percentage formulas: the equation for percentage is this: percentage = 100 * part / whole, and it answers the question what percentage of 20 is 8. the formula for a part is: part = whole * percentage / 100, and it answers what is 40% of 20?.

### How do I use the percentile calculator?

How to use the Percentile Calculator: 1 Input the numbers in the set separated by a comma (e.g., 1,9,18,12), space (e.g., 1 9 18 12), or line break. 2 Enter the percentile value you wish to determine. 3 Click on the Calculate button to generate the results. More ...

### How to find x if p percent of it is y?

How to find X if P percent of it is Y. Use the percentage formula Y/P% = X Example: 25 is 20% of what number? Convert the percentage to a decimal by dividing by 100.

### How do you solve a percent?

**Percent** problems have three parts: the **percent**, the base (or whole), and the amount. Any of those parts may be the unknown value to be found. To **solve** **percent** problems, **you** can use the equation, **Percent** · Base = Amount, and **solve** for the unknown numbers. Or, **you** can set up the proportion, **Percent** = , where the **percent** is a ratio of a number to ...

### How to find X if P percent of it is Y. Use the percentage formula Y/P% = X Example: 25 is 20% of what number? Convert the percentage to a decimal by dividing by 100.

### How to find what percent of X is Y. Use the percentage formula: Y/X = P% Example: What percent of 60 is 12? Do the math: 12/60 = 0.20 Important! The result will always be in decimal form, not percentage form. You need to multiply the result by 100 to get the percentage.

What is p percent of X?

### What is P percent of X? 1 Written as an equation: Y = P% * X 2 The what is Y that we want to solve for 3 Remember to first convert percentage to decimal, dividing by 100 4 Solution: Solve for Y using the percentage formula Y = P% * X

What is p percent of what is y?

### P percent of what is Y? 1 Written as an equation: P% × X = Y 2 The what is X that we want to solve for 3 Divide both sides by P% to get X on one side of the equation 4 (P% × X) ÷ P% = Y ÷ P% becomes X = Y ÷ P% 5 Solution: Solve for X using the percentage formula X = Y ÷ P%

How do you use percent formulas in math?